One of the 20 different organic molecules that are joined together to form a polypeptide chain or a protein the twenty amino acids share a common backbone, but each has a specific side-group.

20种不同的有机分子结合起来组成多肽链或蛋白质。这20个氨基酸主结构相同，但每种又分别有各自不同的侧基团。

youdao

When you turn the organization on it side, there is just one supply chain that everyone plugs in to.

当你将企业梳理后，只有一条供应链是所有人都参与的。

youdao

And when we have discovered a continent, or crossed a chain of mountains, it is only to find another ocean or another plain upon the further side.

当发现一个新大陆，或翻过一座山脉时，我们总会看到远方还有未曾涉足的海洋与陆地。

youdao

The crux: a six-atom side chain that fit neatly into the thumbhole.

FORBES: The Chemical Cobbler

Peroxynitrite is a source of hydroxyl radical-like reactivity, and it directly oxidizes proteins and other macromolecules with resultant carbonyl formation from side-chain and peptide-bond cleavage.

FORBES: The Lessons Of Failure: What We Can Learn From Bapineuzumab's Blowup

Jordan was seen on CCTV jumping from the side of the chain-link ferry as it crossed the river.

BBC: Jordan Cobb search stood down after third day